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Check Valve

Check Valve

Check Valve introduction

This product design and manufacturing completely meet the requirement of API Spec 6A, often used for kill manifold.
● The body is forged of alloy steel.
● Bonnet and body are connected by stud, seals are for bonnet and insider of wall body, which shall ensure the sealing performance reliable.
● Valve core and body sealing surface are welded by hard alloy, which can be used in the environment containing H2S.

Main technical parameters:

Nominal pressure
 psi (Mpa)

Nominal size
 in (mm)

Specification level

Material class

Performance 

          level

Working temperature

3000~15000
 (21~105)

2 1/16 (52)

PSL1~4

AA~FF

PR1

LU
 -46
~121
 
(-50~250)

2 9/16 (65)

PSL1~4

AA~FF

PR1

3 1/16 (78)

PSL1~4

AA~FF

PR1

3 1/8 (80)

PSL1~4

AA~FF

PR1

4 1/16 (103)

PSL1~4

AA~FF

PR1